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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Expectoration at the end of treatment (= 7 days) | 1 | 106 | Risk Difference (M‐H, Fixed, 95% CI) | ‐0.15 [‐0.31, 0.01] |
| 2 Expectoration at the end of treatment (= 7 days) | 1 | 106 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.55 [0.27, 1.10] |
